math problem

posted by .

∛3x+5+7=3

• math problem -

I have a feeling there should be brackets somewhere
the way it stands .... assuming ∛(3x)

∛(3x) = 3 - 5 - 7
∛(3x) = -9
3x = -729
x = -243

If I take it just the way you typed it
∛3x + 5 + 7 = 3
∛3x = -9
x = -9/∛3 = appr -6.24

PLease let me know where the brackets should be

• math problem -

I believe it's
∛(3x+5)+7=3

there is NO solution for this question.
Cheers!
da.guy1[at]yah oo

• math problem -

Of course there's a solution.

∛(3x+5)+7=3
∛(3x+5) = -4
3x+5 = (-4)^3 = -64
3x = -69
x = -23

Check:
∛(-69+5)+7 = ∛-64 + 7 = -4+7 = 3

Similar Questions

1. calculus

I am working on this problem and having some trouble. We're supposed to use partial fractions. The problem is: integral of dx / (x^6-1) . I got the values of A and D, but I am having trouble with the others. Help please!
2. Math subject Calculus

Hi there I am having some difficulties to solve this problem from my homework package and i don't understand how to approach this problem. Please help me by giving me advice on how to approach this problem. Let z = xsin(x/y), y does …
3. Math Reiny?

Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers. ∛(y^13 ) ∛(¡¼16y¡½^14 ) I got ∛16y^27 Am I right?
4. Math I really need help!

Multiply and simplify by factoring. Assumem that all expressions under radicals represent nonnegative numbers. ∛(y^13) ∛(16y^14) ∛y^13 x 16y^14 ∛16y^27 Am I even close here?
5. Trig

Find an equation for the hyperbola described. Foci at (-4,0) and (4,0); asymptote the line y= -x. Please explain the steps of this problem. My book does not get an example of this type of problem and I'm not having any luck working …

7. Math problem

having problems working this problem out please solve 49 5/2
8. Math 141

I am having trouble with this problem. perform the indicated operations and simpily the result as much as possible a) (3x - 2) (x^2 + 2x - 4 ) the answer i got so far is 3x^3 + 4x^2 -16x + 8. Am i done or i have to conitnue to simplify?
9. Simplify

Simplify the following number. ∛729 I think it is ∛9, but I do not know. Please help, and check my answer. I will appreciate it if you guys can answer this as soon as possible. It is part of a RATIONAL EXPONENTS question. …
10. Math

i am still having problem with getting answer to problem 2 divided by a number equals 3/4. i need help please

More Similar Questions